NCR 5977 2x20 Display Programming 5-43
Read Display ID String
Format
1B 19
Returns
“NCR 5977, 497-0499797,V1.14.01,<S/N:(11 bytes)>” in Hex format
Note: The quotation marks “” are not part of the string and are not
returned.
Description
This command is a request for the Retail Display to return an ASCII string with detailed
product information. Since true bi–directional communications are not available for the
parallel interface, a unique interface utilizing the Strobe line as a clock line and the Ack
line as a data line is be used.
Display ESC Character
Format
1B 1B
Description
This command is a request for the ESC character to be displayed to the current cursor
position.